64 : "Registration not found";
65 : "Email or name is not specified in used registration";
66 : "This email already exists in the contact list";
67 : "Contact could not be found";
68 : "There is no vote to be cancelled";
69 : "You are not logged in or your session is expired";
70 : "Some items are currently being updated";
71 : "Some items are scheduled for watermarking";

401 : "Owner required for this collection";
402 : "Collection does not support specified entity";
403 : "You are not allowed to perform this operation";
404 : "Access to this item is either private or password protected";
405 : "Specified item is not in current collection";
406 : "You are not allowed to perform this operation";
407 : "This item is already in your featured collection. It may have been included from a different album";
408 : "User is already member of this collection";
409 : "Member not found";
410 : "Incorrect usage of method";
411 : "Member already invited";
412 : "You have reached the collection joining limit for free accounts";
413 : "This item is already in the maximum allowed number of collections";